Need help finding a story about a scary mod

Hi everyone, I tried looking through the board to see if there were any signs of this already posted, no luck. So any help would be greatly appreciated. Also I can't remember which ES game it was, I'm working off of a faded recollection of this.

Basically it was a short story about someone who had found a file in the game folder, that apparently wasn't installed every time so it was possible to not have it in some folders, that opened a mod in the game with most of the NPC's gone, and the handful that remained constantly referred to some event that was supposed to happen soon when some stars were supposed to align or something. There's also a door that wouldn't open no matter what time of day or anything, it was at this point that the assumption that the door opening was the mysterious event or would lead to it. And there was some dark shadow figure that would always follow the player around and attack at their legs whenever they stood still, slowly pecking away at their health. the person playing the game wanted to see what this event was so they ran it continuously for a few days to wait for that star alignment and they would just shake the mouse every once in a while to move the character and get the shadow attacker to stop hitting so that the health could regen. btw, this whole story is the player emailing a friend updating him with what he finds as he plays the game, and the friend telling the story on the internet. eventually, improper sleep caused the player to have dreams relating to the shadow attacker and then he woke up and saw that they character had moved to a different spot on the map without him doing it himself and the player descends into madness slowly before ending his emails to the friend.

It's all very crazy, but it made for a good read, I tried for the last couple of hours to search for it on the net and I found nothing. If anyone knows what I'm talking about here, please help me find it and confirm that I'm not some random crazy poster.

On the other hand, if no one has any clue about this, thanks for your time anyways